Ontologia

District · DEU

Bayreuth (Kreisfreie Stadt)

Germany

DfbCold, no dry season, warm summer(100 %)

Species observed

3 872

Observations

61 811

Area

67km²

Ecological tissue

Sample of 29 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bayreuth (Kreisfreie Stadt) : 17 espèces reliées par 79 interactions GloBI sur 5 types (connectance 18.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
79
Connectance
0.182
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

3 872 distinct species · 61 811 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

61 811 obs · 3 cellules
Obs. / cellule
≥ 25 002
25 002–25 001
25 002–25 001
24 702–25 001
< 24 702

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

8,5°C

Annual rain

876mm

Warmest m°

22,5°C

Coldest m°

-3,6°C

Elevation: 384 m on average (min 342 m, max 520 m)

Bioclimatic detailsExpert
Annual mean temp.
8,5°C
Annual rain
876mm
Warmest month
22,5°C
Coldest month
-3,6°C
Mean alt.
384m
Min
342m
Max
520m
Std. dev.
34m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,3

Org. C

31,2g/kg

Clay

25,3%

Sand

30,6%

Silt

44,1%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
52,8g/kg
Clay
25,2%
Sand
30,7%
Silt
44,1%
5–15 cm
pH H₂O
6,3
Org. C
26,7g/kg
Clay
26,1%
Sand
29,3%
Silt
44,5%
15–30 cm
pH H₂O
6,4
Org. C
14,2g/kg
Clay
24,5%
Sand
31,9%
Silt
43,6%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest24.1%
Crops27.4%
Built-up5.7%
Bare soil0.5%
Other (grassland, water…)42.3%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

23,3km

Basins crossed

2

Max stream order

3

Max drainage

621km²

Discharge in basins

0,6m³/s

Mean precip.

688mm/an

Mean T°

7,8°C

Moisture idx

-0,07

Max snow

23%

Mean runoff

271mm/an

Mean elev. (basins)

457m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

6hab/km²

Night light

5,3nW

Built-up

572,6%

Pesticides

28,4kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas15

IUCN V · 9IUCN Not Reported · 5IUCN IV · 1
Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations1